WASTE FROM REFINING VEGETABLE OILS
It is a waste that is generated out from the physical refining (distillation) of crude oil. Their characteristics vary depending on the type of seed from which they come (rapeseed, soy or palm mainly) and are usually the following
CHARACTERISTICS OF FREE FATTY ACIDS
A Pre-treatment (esterification) is necessary to reduce acidity prior to convert into biodiesel.
FFA min 70%
Sulfur max 20ppm
Phosphorus max 20ppm
MIU max 1%
Lodine Value vary depending on the kind of seed: Palm min 50, Soy and Rape min 100
OTHER WASTE
